Paper-inserting device for cigarette-machine printers



M. KLEIN Dec. 24, 1929.

PAPER INSERTING DEVICE FOR CIGARETTE MACHINE PRINTERS Filed on 2, 19 2sENTOR m w 1" ATTORNEY Patented Dec. 24, 1929 UNITED STATES PATENT OFFICEMAXIMILIAN KLEIN, OF LANSDALE, PENNSYLVANIA, ASSIGNOR TO AMERICANMACHINE 8c FOUNDRY COMPANY, A CORPORATION OF NEW JERSEY PAPER-INSERTINGDEVICE FOR CIGARETTE-MACHINE PRINTERS Applicati'onfiled October 2, 1928.

This invention relates to paper inserting devices for cigarette machineprinters, its object being to provide mechanical means for leading theend of a continuous paper strip around the printer drum when the paperhas torn apart within or before entering the printer, or when a newstrip is started through the printer.

' l/Vhile herein described and illustrated as 10 applied to printingapparatus for continuous rod cigarette machines,the new device mayequally well be used for inserting the end of any continuous strip intoany other mechanism in which such strip is continuously fed around adrum or other revolving part.

' 'Heretofore, the operation of threading the new end of the paper stripinto a cigarette machine printer has been performed manu-' ally and asthe strip sometimes breaks many times IH'SUCCGSSIOII before the tenslonon the strip is properly adjusted, this operation has resulted inserious loss oft'ime anddecrease of production. This is especially truein the case of the new duplex cigarette machine having two cigaretterods in a horizontal plane, because the rear rod is not as easilyaccessible as in a slngle rod machme.

In using a printer provided with the new device, it is not necessary tolaboriously thread the new end of the strip between the drum and theassociated guide rollers, printihg dies and housing partitions,positioned against or close to the periphery of the drum. The paper isinserted, while the machine is 5 running, by merely placing the new endof the strip obliquely upon the drum so that it will be caught'under anarrow endless belt,

guided by suitable rollers into and out of a groove extendlng aroundthecircumference 40 oft-he drum; The rotation of the drum will Serial No.309,741.

In the accompanying drawings, which form a part of this specificationand in which like characters of reference designate the same or likeparts:

Fig. 1 is a plan view of a cigarette machine printer, equipped with thenew paper inserting device; and

' Fig. 2 is a side elevation of the device shown in Fig. 1.

In carrying the invention into effect, there is provided in combinationwith a drum carrying a continuous paper strip passing around the drum,means coacting with the drum to grip the leading end of the paper stripat any time while the drum is in motion and to automatically lead saidend about the drum, for the purpose of quickly passing the end of thestrip about the drum without the laborious hand manipulation of saidstrip.

In the best construction, this means will in clude an endless belttraveling around said drum to one side of the normal run of the strip.Preferably, there will also be provided guide mechanism for directingthe end of the strip into the range of action of said means, and meanscooperating with the drum to lift the end of the strip after the samehas passed around the drum to a predetermined point of departure. Themeans above re ferred to may be widely varied within the scope of theappended claims, since'the construction shown and described is but oneof many possible embodiments of the same. The invention should,therefore, not be re stricted to the precise details of the structuredisclosed.

Referring to the drawings, the cigarette machine frame 3 carries a shaft4: driven from mechanism of the cigarette machine. This shaft supportsat its outer end, the loosely mounted printing drum 5 and a ratchet 6,fixedly secured to said shaft. The pawl 7 is pivoted to one of thespokes of the drum 5 and is pulled into engagement with the ratchet by aspring 8 fastened to one of the other spokes of the .drum. This pawl andratchet mechanism permits hand rotation of the drum when the cigarettemachine is stopped, thereby permitting inserting of the p'aperstripbyhand operation of the drum,

5 about roller 21.."

as well as by power operation thereof. Near the rear side of itsperipheral surface, the drum 5 has a circumferential groove 9 (Fig. 1)in which is laid a narrow endless belt or cord 10 running over groovedpulleys 11, 12 and 13. Pulleys 11 12 and 13 are mounted on a frame 3,pulley 11 being adjustable to govern the tension of the belt 10. Abovethe pulley 13, which leads the belt 10 into the groove 9. are placed apair of paper guides 14 and 15 arranged to conduct the-end bf the paperstrip between the drum and the belt 10, which guides are supported by anangle piece 16 attached to the frame 3.

The paper strip P which hangs down from the reel B after a break betweenthe reel and the pulley 13, as, shown in Fig. 3, or as pulled dut tothis position after a break in the printer, is led over a guide roller17 and is fed at an angle to the plane of revolution to the drum,between the guides 14.- and 15, so as to be gripped at its rear cornerbetween the cord 10 and the drum. The strip will then be automaticallyled by the motion of the drum around said drum past the printer housingpartition 18, the printing dies 19 and guide rollers 20 and 21. Theroller 21 is pivoted between the arms of forked lever 22, Whith i fi edy m unt d; n. sh 23 P- ported for rotation by the frame 3. The inner nd.f th he-f 23 arri fixe thereto arm 2a which is pulled by a spring 25anchored to the frame 3, thereby urging roller 21 against the paper onthe drum. A wiping stripf'26- attached to an arm 2-2 impingeson' thedrum from a direction opposite to that in which the drum rotates. Thiswiping strip is. located just beyond roller 21 which is at thepoint ofdeparture of the strip from. the drum during normal; operation of, theprinter. The; end of'the paper strip. as it is carried to this; point bythe. drum and'the belt 10 is lifted from the drum by this wiping strip,and thereby pulledout from under the belt 1-0; and

directed away from the China, shown at L in Fig. 2. The raised end ofthe strip. is then pulled. over the roller 21 into the position P, shownin. dotted lines, so as to lead the paper strip to the tobacco feed andthe. other parts o-f-the cigarette. The strip will then have been pulledout from under the belt 10- and will align itself on the. center of thedrum 5 over. the. insert 28. of resilient material, which serves as abed: fo-r'the diesv 19. The run of the belt is then. to one' side of thebelt 9 and,

accordingly, the latter does not interfere with the strip during" normaloperation. It is noted that'a second wiper strip 27 prevents the,freeiportion L of the strip from. winding Thus, the. present deviceprovides means for quickly and? conveniently leading the. broken ornew-'1 end-of a paper strip about the! me; P l ey; even. t gh. the cleaancesbetwe'en therdrnm andi the associated mechanisms are small. It isalso noted that due to the small amount of space occupied by this deviceand the location of the greater part of the same to one side of thenormal run of the paper strip, the paper inserting device cannotinterfere with the operation of the machine. At the same time,-thedevice is in complete readiness to function at any time during theoperation of the machine.

VVha't'is claimed is:-

1. The combination with a drum for carrying a continuous paper strippassing around the same, of means including anarrow belt coacting with agroove at one side of the drum to grip the leading end of the paperstrip at any time While the drum is in motion and to automatically leadsaid end about the drum.

2. The combination with a drum for carrying a continuous paper strippassing around the same, of means coacting with the drum to grip theleading end of the paper strip at anytime while the drum is in motionand to automatically lead said end about the drum, said means includingan endless belt traveling around said drum to one side. of the normalrun of the strip.

3'. The combination with a drum for carrying a continuous paper strippassing around the same, of means coacting with the drum to grip theleading. end of the paper strip at any time while. thedruin is in motionand to automatically lead said end about the drum, and meanscooperating. with said drum to. re lease and lift said end after thesame has passed around the drum to, a predetermined point of departure.

at. The combination with a drum for. carry. a continuous paper strippassing around the same, of means including. a narrow. belt c'oactingwith agroove. at one side of the drum to grip the leading end of thepaper strip at any time while the drum. is in motion and toautomatically, lead said end about the drum, and guide mechanism fordirecting, said end intotherange of. action of said means.

5'. Thecoinbination withadrum for carry: ing a continuous paperstrippassing around the. same past; a series ofassociated mecha nismsadjacent the peripheryv of the drum, of means including a narrow beltcoacting with a groove at one side. of the drum to. grip the leading,end of. the paper strip; at any time while the is in motion'and to auto:matically thread strip between the drum and said mechanisms In testimonywhereqf I have signed my. am t this: Specifica ion-

